🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.4 AU - 0.62 AU

Year: 168 Days

Day: 29.5 Hours

Environment

Temp: 16 °C

Axial Tilt: 22.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 42,616,441 km

• M1: 285,134 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.41 AU - 0.65 AU

Year: 178 Days

Day: 32.2 Hours

Environment

Temp: -3 °C

Axial Tilt: 35.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.48 AU - 0.7 AU

Year: 209 Days

Day: 40.5 Hours

Environment

Temp: -19 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.66 AU - 0.74 AU

Year: 270 Days

Day: 26.4 Hours

Environment

Temp: -34 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,616,441 km

• M1: 336,296 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.22 AU - 1.82 AU

Year: 862 Days

Day: 37.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.16 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.8

Radius: 14.8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.18 AU - 3.4 AU

Year: 2145 Days

Day: 8 Hours

Environment

Temp: -142 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,616,441 km

• M1: 184,903 km (0.045 R)
• M2: 908,059 km (0.109 R)
• M3: 2,492,151 km (0.088 R)
• M4: 3,081,417 km (0.118 R)
• M5: 4,078,188 km (0.062 R)
• M6: 5,131,506 km (0.072 R)
• M7: 5,745,605 km (0.098 R)
• M8: 6,557,174 km (0.053 R)
• M9: 7,255,048 km (0.103 R)
• M10: 11,774,400 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459

Radius: 13.7

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3 AU - 3.24 AU

Year: 2536 Days

Day: 10.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,616,441 km

• M1: 170,841 km (0.042 R)
• M2: 601,832 km (0.093 R)
• M3: 1,172,399 km (0.111 R)
• M4: 1,864,588 km (0.086 R)
• M5: 2,312,783 km (0.118 R)
• M6: 2,863,154 km (0.078 R)
• M7: 3,500,740 km (0.101 R)
• M8: 4,449,789 km (0.105 R)
• M9: 5,084,383 km (0.1 R)
• M10: 5,706,560 km (0.084 R)
• M11: 6,509,452 km (0.106 R)
• M12: 8,340,829 km (0.034 R)
• M13: 11,276,239 km (0.109 R)
• M14: 13,811,324 km (0.118 R)
• M15: 14,704,573 km (0.12 R)
• M16: 16,458,309 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.1

Radius: 10.3

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.38 AU - 5.06 AU

Year: 4719 Days

Day: 7.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,616,441 km

• M1: 128,056 km (0.107 R)
• M2: 527,332 km (0.091 R)
• M3: 1,606,382 km (0.088 R)
• M4: 8,274,109 km (0.093 R)
• M5: 9,544,195 km (0.093 R)
• M6: 10,737,238 km (0.108 R)
• M7: 11,352,534 km (0.092 R)
• M8: 12,063,423 km (0.085 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.4

Radius: 8

Gravity: 13.12 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.35 AU - 7.59 AU

Year: 7573 Days

Day: 11.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 42,616,441 km

• M1: 99,632 km (0.105 R)
• M2: 391,049 km (0.036 R)
• M3: 1,213,388 km (0.088 R)
• M4: 1,770,640 km (0.098 R)
• M5: 2,270,596 km (0.041 R)
• M6: 3,094,582 km (0.103 R)
• M7: 4,401,917 km (0.117 R)
• M8: 4,890,205 km (0.073 R)
• M9: 5,256,271 km (0.109 R)
• M10: 5,640,438 km (0.108 R)
• M11: 5,974,789 km (0.059 R)
• M12: 6,646,633 km (0.078 R)
• M13: 8,266,928 km (0.09 R)
• M14: 10,281,562 km (0.099 R)
• M15: 10,883,395 km (0.099 R)
• M16: 11,883,756 km (0.101 R)
• M17: 14,310,981 km (0.113 R)
• M18: 15,510,457 km (0.081 R)
• M19: 16,503,787 km (0.115 R)
• M20: 18,324,842 km (0.109 R)
• M21: 18,763,463 km (0.063 R)
• M22: 19,967,127 km (0.105 R)
• M23: 22,694,745 km (0.104 R)
• M24: 24,234,855 km (0.106 R)
• M25: 25,119,876 km (0.118 R)
• M26: 27,808,449 km (0.093 R)
• M27: 29,870,955 km (0.105 R)
• M28: 31,718,339 km (0.103 R)
• M29: 33,099,127 km (0.078 R)
• M30: 35,188,411 km (0.086 R)
• M31: 35,866,090 km (0.059 R)
• M32: 37,364,163 km (0.078 R)
• M33: 38,187,998 km (0.107 R)
• M34: 39,023,652 km (0.062 R)
• M35: 39,506,703 km (0.097 R)
• M36: 39,871,572 km (0.084 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 11,556 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit